Title:
単列深溝玉軸受の製造方法
Document Type and Number:
Japanese Patent JP7010137
Kind Code:
B2
Abstract:
To provide a single-row deep groove ball bearing capable of suppressing a falling speed of an inner ring falling from an elevator conveyor, to prevent damage of the inner ring, and a manufacturing method thereof.SOLUTION: An inner ring 12 has an axially asymmetric structure where the shape of one end part in an axis direction is different from that of the other end part in the axis direction with an inner ring raceway groove 12a held therebetween. At the other end part in the axis direction of the inner ring 12, a first small-diameter step part 12f is provided. At an outer peripheral edge of one shoulder part 12b out of a pair of shoulder parts 12b adjacent to the inner ring raceway groove 12a of the inner ring 12, an inner ring side chamfer part 12i is provided, wherein the inner ring side chamfer part is larger than a chamfer part 12e provided on an outer peripheral edge of the other shoulder part 12b.SELECTED DRAWING: Figure 3
Inventors:
Yoshio Kamiya
Tatsuo Wakabayashi
Tatsuo Wakabayashi
Application Number:
JP2018092285A
Publication Date:
January 26, 2022
Filing Date:
May 11, 2018
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
F16C33/58; B24B19/06; B65G47/14; B65G47/28; F16C19/06; F16C33/78
Domestic Patent References:
| JP2000291651A | ||||
| JP200924776A | ||||
| JP201498460A | ||||
| JP2011117548A |
Attorney, Agent or Firm:
Patent business corporation glory patent office